<script >
import {ref} from "vue";

export default {
  name:'Dialog',
  setup(){
    let isShow = ref(false)
    return {
      isShow
    }
  }
}

</script>

<template>
  <div>
    <button @click="isShow = true">点我弹个窗</button>
    <teleport to="body">
      <div v-if="isShow" class="mask">
        <div class="dialog">
          <h3>我是一个弹窗</h3>
          <h4>xxxxxx</h4>
          <h4>xxxxxx</h4>
          <h4>xxxxxx</h4>
          <h4>xxxxxx</h4>
          <button @click="isShow = false">关闭弹窗</button>
        </div>

      </div>

    </teleport>


  </div>

</template>

<style scoped>
.mask{
  position: absolute;
  top:0;bottom: 0;left: 0;right: 0;
  background-color: rgba(0,0,0,0.5);
}
.dialog{
  text-align: center;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%,-50%);
  width: 300px;
  height: 300px;
  background-color: green;
}


</style>